Best buds, Selena Gomez and Demi Lovato are slated to perform at the Billboard Music Awards happening on May 19. "Selenators" and "Lovatics" better get those calendars marked because it will surely be one hell of a performance. The chance for the "Semi" duo to perform together might just arise and fans are hoping it does.

Over the years, Selena Gomez and Demi Lovato have been the best of friends. Demi's rehabilitation and Selena's busy schedule with Bieber might have gotten in the way of their friendship but the BFFs continue to keep in touch.

Countless rumours claim Demi and Selena no longer talk to each other. Yet, Selena and Demi had denied all these speculations with their continuous support for one another on the social networking site, Twitter. As stated by Demi, Selena would constantly be around when the time came she would need a friend.

However, the chance for these former best buds to be spotted together this year still hasn't arisen. Of course, the upcoming Billboard Music Awards might change all that. The latest news has it that Selena Gomez and Demi Lovato will be performing at the MGM Grand Arena in Las Vegas on May 19.

Official news has it that Selena is slated to perform her hit single, "Come & Get It." Rumours have also stated that Selena's BFF, Demi Lovato just might perform her latest single, "Heart Attack" as well. Fans may recall that Justin Bieber was also rumoured to perform at the Billboard Music Awards with ex-beau, Selena Gomez.

For now, all fans of the "Semi" duo can do is wait for further announcement. Hopefully, Demi Lovato does perform alongside Selena Gomez at the grand musical event and awards show. Check out the slideshow to see more of these BFFs through the years.

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